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The patent EP3280812 was granted to Comet Biorefining on Feb 28, 2024. The application was filed on Apr 8, 2016 under application number EP16775983A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| STRAWMAN | Nov 28, 2024 | HOFFMANN EITLE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2011250645 |
| DESCRIPTION | US2011300586 |
| DESCRIPTION | WO2014026154 |
| INTERNATIONAL-SEARCH-REPORT | US4025389 |
| INTERNATIONAL-SEARCH-REPORT | WO2010071805 |
| INTERNATIONAL-SEARCH-REPORT | WO2011046816 |
| INTERNATIONAL-SEARCH-REPORT | WO9520065 |
| OPPOSITION | CN101338333 |
| OPPOSITION | US2013052698 |
| OPPOSITION | US2013059345 |
| OPPOSITION | US2014273107 |
| OPPOSITION | US2015259719 |
| OPPOSITION | WO2008134037 |
| OPPOSITION | WO2011046816 |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
Date
Description
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Feb 1, 2024
Decision to grant a European patent
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Jan 23, 2024
(Electronic) Receipt
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Jan 23, 2024
Filing of the translations of the claims
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Jan 23, 2024
French translation of claims
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Jan 23, 2024
German translation of the claims
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Jan 23, 2024
Letter accompanying subsequently filed items
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Oct 17, 2023
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Intention to grant (signatures)
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Oct 17, 2023
Text intended for grant (clean copy)
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Oct 17, 2023
Mar 30, 2023
Mar 29, 2023
(Electronic) Receipt
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Mar 29, 2023
Amended claims with annotations
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Mar 29, 2023
Claims
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Mar 29, 2023
Description
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Mar 29, 2023
Letter accompanying subsequently filed items
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Mar 29, 2023
Mar 27, 2023
(Electronic) Receipt
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Mar 27, 2023
Letter accompanying subsequently filed items
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Mar 27, 2023
Nov 17, 2022
Annex to the communication
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Nov 17, 2022
Communication from the Examining Division
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May 23, 2022
(Electronic) Receipt
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May 23, 2022
Amended claims with annotations
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May 23, 2022
Claims
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May 23, 2022
Letter accompanying subsequently filed items
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May 23, 2022
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Mar 18, 2022
(Electronic) Receipt
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Mar 18, 2022
Letter accompanying subsequently filed items
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Mar 18, 2022
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Feb 24, 2022
(Electronic) Receipt
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Feb 24, 2022
Letter accompanying subsequently filed items
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Feb 24, 2022
Nov 12, 2021
Annex to the communication
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Nov 12, 2021
Communication from the Examining Division
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Sep 2, 2021
(Electronic) Receipt
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Sep 2, 2021
Amended claims with annotations
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Sep 2, 2021
Claims
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Sep 2, 2021
Letter accompanying subsequently filed items
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Sep 2, 2021
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Jun 28, 2021
Feb 22, 2021
Annex to the communication
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Feb 22, 2021
Communication from the Examining Division
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Feb 16, 2021
Examination started
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Jul 15, 2019
(Electronic) Receipt
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Jul 15, 2019
Jul 15, 2019
Amended claims with annotations
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Jul 15, 2019
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Amended description with annotations
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Jul 15, 2019
Amendments received before examination
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Jul 15, 2019
Letter accompanying subsequently filed items
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Jan 3, 2019
Dec 6, 2018
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European search opinion
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Dec 6, 2018
Information on Search Strategy
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Dec 6, 2018
Supplementary European search report
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Nov 6, 2018
Search started
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Jul 5, 2018
Submission concerning representation
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Jan 17, 2018
Nov 22, 2017
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Refund of fees
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Nov 20, 2017
Communication to designated inventor
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Nov 20, 2017
Communication to designated inventor
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Nov 17, 2017
Nov 10, 2017
(Electronic) Receipt
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Nov 10, 2017
(Electronic) Receipt
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Nov 10, 2017
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Amended claims with annotations
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Nov 10, 2017
Letter concerning fees and payments
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Nov 10, 2017
Request for entry into the European phase
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Oct 24, 2017
Aug 18, 2017
Information on entry into European phase
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Oct 31, 2016
Oct 31, 2016
Oct 13, 2016
Copy of the international search report
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Oct 13, 2016
Published international application - A1
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